* {
    margin: 0;
    padding: 0;
}

body {
    background-image: url('../images/bg.jpg');
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    background-color: #ffffff;
    font: 14px 'microsoft yehei';
    font-weight: 300;
}